Added required event, listener, message processor and added to processor chain
Got clusterdata before delete and modified logs
fixing startup of VM upon termination
fixing group termination issue
fixing a build failure due to partial commit
adding a map to keep track of inactive and terminating instances
fixing undeployment issue by removing the instances
fixing terminated processors to notify listeners if instance already removed
fixing undeployment by making the status calculation sync call
This closes #149

Merge branch 'app-delete-on-test' of https://github.com/shirolk/stratos into 4.1.0-test
removing the deployment policy when undeploy the application
Introducing mock health statistics generation based on custom patterns
Get the active instance count correctly
Updating default cloud-controller.xml and file permissions
Adding configuration to enable/disable mock iaas service
setting tenant domain before retrieing from registry
Merge branch '4.1.0-test' of https://git-wip-us.apache.org/repos/asf/stratos into 4.1.0-test
Initializing iaas instance soon after creating it
Updating info log in VMClusterMonitor
Fixing mock statistics update issue